comparison lockfile-0.10.2/README @ 33:7ceb967147c3

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author jingchunzhu <jingchunzhu@gmail.com>
date Wed, 22 Jul 2015 13:24:44 -0700
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1 The lockfile package exports a LockFile class which provides a simple API for
2 locking files. Unlike the Windows msvcrt.locking function, the fcntl.lockf
3 and flock functions, and the deprecated posixfile module, the API is
4 identical across both Unix (including Linux and Mac) and Windows platforms.
5 The lock mechanism relies on the atomic nature of the link (on Unix) and
6 mkdir (on Windows) system calls. An implementation based on SQLite is also
7 provided, more as a demonstration of the possibilities it provides than as
8 production-quality code.
9
10 Note: In version 0.9 the API changed in two significant ways:
11
12 * It changed from a module defining several classes to a package containing
13 several modules, each defining a single class.
14
15 * Where classes had been named SomethingFileLock before the last two words
16 have been reversed, so that class is now SomethingLockFile.
17
18 The previous module-level definitions of LinkFileLock, MkdirFileLock and
19 SQLiteFileLock will be retained until the 1.0 release.
20
21 Available on GitHub from:
22
23 git://github.com/smontanaro/pylockfile.git
24
25 To install:
26
27 python setup.py install